SOMETIMES MR. PIKE HAS TO WORK VERY LATE _______ NIGHT TO DO SOME I...

Question

16.Sometimes Mr. Pike has to work very late _______ night to do some important experiments.A. in  B. at   C. for  D. on

Answer

16.Sometimes Mr. Pike has to work very late _______ night to do some important experiments.A. in  B. at   C. for  D. on